<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			alert(Math.PI);
			alert(Math.random());
			alert(Math.pow(4,5));
			alert(Math.floor(12.3));
		</script>
	</head>
	<body>
	</body>
</html>
